11 static int prepend(char **buffer, int *buflen, const char *str, int namelen)  in prepend()  argument
13 	*buflen -= namelen;  in prepend()
14 	if (*buflen < 0)  in prepend()
38 static int prepend_name(char **buffer, int *buflen, const struct qstr *name)  in prepend_name()  argument
44 	*buflen -= dlen + 1;  in prepend_name()
45 	if (*buflen < 0)  in prepend_name()
77 			char **buffer, int *buflen)  in prepend_path()  argument
94 	blen = *buflen;  in prepend_path()
110 				blen = *buflen;  in prepend_path()
160 	*buflen = blen;  in prepend_path()
182 	       char *buf, int buflen)  in __d_path()  argument
184 	char *res = buf + buflen;  in __d_path()
187 	prepend(&res, &buflen, "\0", 1);  in __d_path()
188 	error = prepend_path(path, root, &res, &buflen);  in __d_path()
198 	       char *buf, int buflen)  in d_absolute_path()  argument
201 	char *res = buf + buflen;  in d_absolute_path()
204 	prepend(&res, &buflen, "\0", 1);  in d_absolute_path()
205 	error = prepend_path(path, &root, &res, &buflen);  in d_absolute_path()
219 			     char **buf, int *buflen)  in path_with_deleted()  argument
221 	prepend(buf, buflen, "\0", 1);  in path_with_deleted()
223 		int error = prepend(buf, buflen, " (deleted)", 10);  in path_with_deleted()
228 	return prepend_path(path, root, buf, buflen);  in path_with_deleted()
231 static int prepend_unreachable(char **buffer, int *buflen)  in prepend_unreachable()  argument
233 	return prepend(buffer, buflen, "(unreachable)", 13);  in prepend_unreachable()
262 char *d_path(const struct path *path, char *buf, int buflen)  in d_path()  argument
264 	char *res = buf + buflen;  in d_path()
281 		return path->dentry->d_op->d_dname(path->dentry, buf, buflen);  in d_path()
285 	error = path_with_deleted(path, &root, &res, &buflen);  in d_path()
297 char *dynamic_dname(struct dentry *dentry, char *buffer, int buflen,  in dynamic_dname()  argument
308 	if (sz > sizeof(temp) || sz > buflen)  in dynamic_dname()
311 	buffer += buflen - sz;  in dynamic_dname()
315 char *simple_dname(struct dentry *dentry, char *buffer, int buflen)  in simple_dname()  argument
317 	char *end = buffer + buflen;  in simple_dname()
319 	if (prepend(&end, &buflen, " (deleted)", 11) ||  in simple_dname()
320 	    prepend(&end, &buflen, dentry->d_name.name, dentry->d_name.len) ||  in simple_dname()
321 	    prepend(&end, &buflen, "/", 1))    in simple_dname()
329 static char *__dentry_path(struct dentry *d, char *buf, int buflen)  in __dentry_path()  argument
336 	if (buflen < 2)  in __dentry_path()
342 	end = buf + buflen;  in __dentry_path()
343 	len = buflen;  in __dentry_path()
374 char *dentry_path_raw(struct dentry *dentry, char *buf, int buflen)  in dentry_path_raw()  argument
376 	return __dentry_path(dentry, buf, buflen);  in dentry_path_raw()
380 char *dentry_path(struct dentry *dentry, char *buf, int buflen)  in dentry_path()  argument
386 		p = buf + buflen;  in dentry_path()
387 		if (prepend(&p, &buflen, "//deleted", 10) != 0)  in dentry_path()
389 		buflen++;  in dentry_path()
391 	retval = __dentry_path(dentry, buf, buflen);  in dentry_path()
445 		int buflen = PATH_MAX;  in SYSCALL_DEFINE2()  local
447 		prepend(&cwd, &buflen, "\0", 1);  in SYSCALL_DEFINE2()
448 		error = prepend_path(&pwd, &root, &cwd, &buflen);  in SYSCALL_DEFINE2()
456 			error = prepend_unreachable(&cwd, &buflen);  in SYSCALL_DEFINE2()